

class deque:
    def __init__(self, maxlen:int) -> None: 
        self._queue = None
        self.maxlen = maxlen
        
    def append(self, item:any): ...

    def appendleft(self, item:any): ...
        
    def pop(self) -> any: ...

    def popleft(self) -> any: ...
        
    def count(self) -> int: ...
        
    def is_empty(self) -> bool: ...

    def is_full(self) -> bool: ...


    def fun1(self, a:any) -> any: ...

    def __del__(self): ...